Update 1Password limitations wording

Author: danbarr

docs/toolhive/how-to/secrets-management.mdx

@@ -45,11 +45,13 @@ thv config secrets-provider encrypted
 
 :::note
 
-Currently, you can only retrieve secrets from 1Password using the
+The `list`, `set`, and `delete` operations aren't currently supported with
+1Password.
+
+You can retrieve secrets using the
 [`thv secret get`](../reference/cli/thv_secret_get.md) command and the
-`--secret` parameter for [`thv run`](../reference/cli/thv_run.md). You need to
-create secrets in 1Password manually. The `list`, `set`, and `delete` operations
-aren't supported.
+`--secret` parameter for [`thv run`](../reference/cli/thv_run.md), but the
+secret must already exist in 1Password.
 
 If you'd like to see more functionality, please
 [open an issue](https://github.com/stacklok/toolhive/issues) or join the